Our Next Energy’s Gemini battery offered 1,419 km range in a Tesla Model S

Michigan-based EV battery startup Our Next Energy (ONE) claims to have developed a revolutionary new battery that offers 725 miles (1,210 km) without recharging. The experimental prototype battery pack christened ‘Gemini’ was retrofitted into a Tesla Model S, which apparently offered 882 miles (1,419 km) range at 55 mph (88 km/h). The results were validated by a third party using a vehicle dynamometer, the company said.

“We want to accelerate the adoption of electric vehicles by eliminating range anxiety, which holds back most consumers today,” said Mujeeb Ijaz, Founder & CEO of ONE. “We are now focused on evolving this proof-of-concept battery into a new product called Gemini, which will enable long-distance trips on a single charge while improving cost and safety using sustainable materials.”


Today’s electric vehicles have lower adoption due to range limitations. Even the highest range electric vehicles sold today lack the surplus energy required to overcome factors such as high-speed driving, extreme weather, mountainous terrain, or towing trailers in real-world conditions. These factors can lead to a loss of more than 35% of the rated range, causing inconvenience and anxiety on road trips. “The ONE Gemini battery aims to eliminate range as a barrier to electric vehicle adoption by doubling the available energy on board in the same package space,” added Ijaz.

The Gemini 001 packs 203.7 KWh of energy with an energy density of 416 Wh/L. Just to compare, the 100 kWh battery pack in the Mercedes Vision EQXX has an energy density of nearly 400 Wh/L. Which means Mercedes has achieved close to 400 Wh/L energy density with just half the energy capacity of Gemini.

But anyway, ONE has another LFP battery pack called ‘Aries’. It packs 79 kWh of energy with an energy density of 287 Wh/L. The company plans to begin production with Aries in late 2022, followed by a production prototype of the Gemini battery in 2023.

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